Toshiba Tecra A3-S711 Maintenance Manual - Page 92

Keyboard Test, Num Lock, Overlay, Fn+F6

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3.12 Keyboard Test 3. Tests and Diagnostics 3.11 Keyboard Test The keyboard test checks the all keys function. NOTE: The Num Lock and the Overlay mode must be off to execute the keyboard test. Before keyboard test starts, the keyboard matrix code should be chosen as below display: 1. K (UK, for Europe) 2. S (US, for America) 3. J (JP, for Japan) When you execute this test, the keyboard layout is drawn on the display. When any key is pressed, the corresponding key on the screen changes to black as shown below. It will indicate whether the subtest is passed or failed after the question. NOTE: The "Fn" key cannot be tested in the keyboard test. To determine whether the "Fn" key is working correctly, press "Fn+F6 " or "Fn+F7 " keys to check if LCD display brightness change gradually. Tecra A3/S2 Series Maintenance Manual 3-17

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3.12
Keyboard Test
3.
Tests and Diagnostics
Tecra A3/S2 Series Maintenance Manual
3-17
3.11 Keyboard Test
The keyboard test checks the all keys function.
NOTE:
The
Num Lock
and the
Overlay
mode must be off to execute the keyboard test.
Before keyboard test starts, the keyboard matrix code should be chosen as below display:
1.
K
(UK, for Europe)
2.
S
(US, for America)
3.
J
(JP, for Japan)
When you execute this test, the keyboard layout is drawn on the display. When any key is pressed, the
corresponding key on the screen changes to black as shown below.
It will indicate whether the subtest is passed or failed after the question.
NOTE:
The “
Fn
” key cannot be tested in the keyboard test. To determine whether the
Fn
key is working correctly, press “
Fn+F6
” or “
Fn
+
F7
” keys
to check if LCD
display brightness change gradually.